Files
tbd-station-14/Content.Server/Polymorph/Systems/PolymorphedEntitySystem.cs
2022-05-18 14:05:22 +10:00

103 lines
3.7 KiB
C#

using Content.Server.Actions;
using Content.Server.Mind.Components;
using Content.Server.Polymorph.Components;
using Content.Server.Popups;
using Content.Shared.Actions;
using Content.Shared.Actions.ActionTypes;
using Content.Shared.Damage;
using Content.Shared.MobState.Components;
using Robust.Shared.Player;
namespace Content.Server.Polymorph.Systems
{
public sealed class PolymorphedEntitySystem : EntitySystem
{
[Dependency] private readonly ActionsSystem _actions = default!;
[Dependency] private readonly DamageableSystem _damageable = default!;
[Dependency] private readonly PopupSystem _popup = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<PolymorphedEntityComponent, PolymorphComponentSetupEvent>(OnInit);
SubscribeLocalEvent<PolymorphedEntityComponent, RevertPolymorphActionEvent>(OnRevertPolymorphActionEvent);
}
private void OnRevertPolymorphActionEvent(EntityUid uid, PolymorphedEntityComponent component, RevertPolymorphActionEvent args)
{
Revert(uid);
}
/// <summary>
/// Reverts a polymorphed entity back into its original form
/// </summary>
/// <param name="uid">The entityuid of the entity being reverted</param>
public void Revert(EntityUid uid)
{
if (!TryComp<PolymorphedEntityComponent>(uid, out var component))
return;
var uidXform = Transform(uid);
var parentXform = Transform(component.Parent);
parentXform.AttachParent(uidXform.ParentUid);
parentXform.Coordinates = uidXform.Coordinates;
if (TryComp<DamageableComponent>(component.Parent, out var damageParent) &&
_damageable.GetScaledDamage(uid, component.Parent, out var damage) &&
damage != null)
{
_damageable.SetDamage(damageParent, damage);
}
if (TryComp<MindComponent>(uid, out var mind) && mind.Mind != null)
{
mind.Mind.TransferTo(component.Parent);
}
_popup.PopupEntity(Loc.GetString("polymorph-revert-popup-generic", ("parent", uid), ("child", component.Parent)), component.Parent, Filter.Pvs(component.Parent));
QueueDel(uid);
}
private void OnInit(EntityUid uid, PolymorphedEntityComponent component, PolymorphComponentSetupEvent args)
{
if (component.Prototype.Forced)
return;
var act = new InstantAction()
{
Event = new RevertPolymorphActionEvent(),
EntityIcon = component.Parent,
Name = Loc.GetString("polymorph-revert-action-name"),
Description = Loc.GetString("polymorph-revert-action-description"),
UseDelay = TimeSpan.FromSeconds(component.Prototype.Delay),
};
_actions.AddAction(uid, act, null);
}
public override void Update(float frameTime)
{
base.Update(frameTime);
foreach (var entity in EntityQuery<PolymorphedEntityComponent>())
{
entity.Time += frameTime;
if(entity.Prototype.Duration != null && entity.Time >= entity.Prototype.Duration)
Revert(entity.Owner);
if (!TryComp<MobStateComponent>(entity.Owner, out var mob))
continue;
if ((entity.Prototype.RevertOnDeath && mob.IsDead()) ||
(entity.Prototype.RevertOnCrit && mob.IsCritical()))
Revert(entity.Owner);
}
}
}
public sealed class RevertPolymorphActionEvent : InstantActionEvent { };
}